差压计的压力检测部位是:() 隔膜。 弹簧。 伸缩管。
To generate recommendations to improve the performance of a set of SQL queries in an application, you execute the following blocks of code: BEGIN dbms_advisor.create_task(dbms_advisor.sqlaccess_advisor,’TASK1’); END; / BEGIN dbms_advisor.set_task_parameter(’TASK1’,’ANALYSIS_SCOPE’,’ALL’); dbms_advisor.set_task_parameter(’TASK1’,’MODE’,’COMPREHENSIVE’); END; / BEGIN dbms_advisor.execute_task(’TASK1’); dbms_output.put_line(dbms_advisor.get_task_script(’TASK1’)); END; / The blocks of code execute successfully;however,you do not get the required outcome. What could be the reason?() A template needs to be associated with the task.。 A workload needs to be associated with the task.。 The partial or complete workload scope needs to be associated with the task.。 The type of structures (indexes, materialized views, or partitions) to be recommended need to be specified for the task.。
在云计算系统中,提供“云端”服务模式是()公司的云计算服务平台。 IBM。 GOOGLE。 Amaxon。 微软。
《水利水电工程施工质量检验与评定规程》SL176―2007(以下简称新规程)规定水利水电工程施工质量等级分为()两级。 合格、优良。 合格、不合格。 合格、优秀。 以上都不对。
While planning to manage more than one database in your system, you perform the following activities: 1. Organize different categories of files into independent subdirectories. 2. Use consistent naming convention for database files. 3. Separate administrative information pertaining to each database. Which option corresponds to the type of activities performed by you?() Oracle Managed Files。 Oracle Grid Architecture。 Optimal Flexible Architecture。 Oracle database architecture。
hich of the following RMAN structures can data from a datafile span?()